Changes in Event interface. Data is now passed by value instead of reference. There is no need to change the data in listeners. If data is an object then it is passed like a pointer in C++, so the object is not copied.
Changes in Event interface. Data is now passed by value instead of reference. There is no need to change the data in listeners. If data is an object then it is passed like a pointer in C++, so the object is not copied.